Below is a transcription and explanation of the quiz content suitable for an educational website.---**Quiz on Water Processes and Treatment**1. **Question: What processes is responsible for formation of “dead zones” with little to no oxygen in surface waters?** - Options: - Deoxygenation - Reaeration - Evaporation - None of the above2. **Question 11: Approximately 90% of Americans use drinking water from a** - Options: - River - Public water supply - Private well - Groundwater reservoir3. **Question 12: After the drinking water is screened for debris, it goes through the process of** - Options: - Disinfection - Filtering - Coagulation and flocculation - Distribution4. **Question 13: Which of the above is not a step in the primary wastewater treatment process?** - Options: - Settling tank - Screening - Grit Chamber - Disinfection---Each question focuses on different aspects of water management, including environmental impact, water sourcing, and treatment processes. Understanding these elements is crucial for ensuring safe and sustainable water usage.

Answered: What processes is responsible for…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Below is a transcription and explanation of the quiz content suitable for an educational website.

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**Quiz on Water Processes and Treatment**

1. **Question: What processes is responsible for formation of “dead zones” with little to no oxygen in surface waters?**
- Options:
- Deoxygenation
- Reaeration
- Evaporation
- None of the above

2. **Question 11: Approximately 90% of Americans use drinking water from a**
- Options:
- River
- Public water supply
- Private well
- Groundwater reservoir

3. **Question 12: After the drinking water is screened for debris, it goes through the process of**
- Options:
- Disinfection
- Filtering
- Coagulation and flocculation
- Distribution

4. **Question 13: Which of the above is not a step in the primary wastewater treatment process?**
- Options:
- Settling tank
- Screening
- Grit Chamber
- Disinfection

---

Each question focuses on different aspects of water management, including environmental impact, water sourcing, and treatment processes. Understanding these elements is crucial for ensuring safe and sustainable water usage.

Expert Solution

Step 1

Explanation :

10) The dead zones in surface waters are deoxygenated waters that has little to no fish population. These waters get deoxygenated majorly due to pollution.The less dissolved/ reduced levels of oxygen is the reason for less population of fish.

11) Community/ Public Water Supply is the main source of drinking water in America. Nearly 90 % of the population in America uses drinking water from Public Water Supply.

12) The treatment of water for drinking includes processes in following manner:

Screening - Coagulation and Flocculation- Sedimentation tank- Filtration - disinfection - distribution.

13) Screening, Grit chamber, Settling tank are the processes that are included in primary waste water treatment while Disinfection is a process that is in secondary waste water treatment.

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